Question

..... is not linear equations in two variables ​

Answer 1

Answer:

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Step-by-step explanation:

A  system of nonlinear equations is a system of two or more equations in two or more variables containing at least one equation that is not linear.

Answer 2

Linear equation in two variables means the overall degree of the equation should be 1 .but in ( xsquare - 5 =0) there is only one degree variable x also the degree of equation is 2.